Microwave oven



FIG. 1 is a perspective view of a microwave oven showing my new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is a perspective view of FIG. 1 with the door in an open position;

FIG. 7 is a perspective view of a second embodiment thereof, the undisclosed top view is the same as FIG. 5;

FIG. 8 is a front view of FIG. 7;

FIG. 9 is a right side view of FIG. 7;

FIG. 10 is a left side view of FIG. 7; and,

FIG. 11 is a perspective view of FIG. 7 with the door in an open position. 

I claim the ornamental design for a microwave oven, as shown and described. 